Method, and article of the method, for fabricating a...

Optical waveguides – With optical coupler – Particular coupling structure

Reexamination Certificate

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C385S015000, C385S039000, C385S141000

Reexamination Certificate

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07315675

ABSTRACT:
A flexible, hollow, waveguide is featured, that functions in the visible region. The waveguide comprises a hollow, flexible, silica-glass tube having a smooth bore, that is coated with a reflective substance on the inner bore surface. A composite of two sulfide materials are then layered over the reflective substance. The sulfide materials form a high contrasting refractive index of approximately 2:1, thus creating a photonic, bandgap tube.

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